it is a Marantz Model 2270 Receiver . I found it from a estate sell and the owner did tell me the unit was work good before the turner string was broken ( see last picture ) and I do not have other unit to set it up for retail test and I just plus power in and power function light are up and I turn it to FM moving ( please see the 4th picture ) but no retail test and sell FOR PARTS ONLY  NO RETURN